Stainless Steel 304L Coil Tube Manufacturer, Supplier, and Exporter
As a premier manufacturer, supplier and exporter of Stainless Steel 304L Coil Tube, Amardeep Steel provides high-quality solutions for a wide range of industrial applications. Our Stainless Steel 304L Coil Tubes are produced from the finest 304L stainless steel coil, ensuring superior performance, durability, and corrosion resistance. Known for its low carbon content, SS 304L Coil Tube offers excellent weldability without the risk of intergranular corrosion, making it a reliable choice for critical fluid and gas transfer systems. We supply Stainless Steel 304L Coil Tube to meet international quality standards for projects across various sectors.
Our selection of Stainless Steel 304L Coil Tubing is designed for diverse industrial uses, from high-pressure systems to cost-effective solutions.
- Seamless Coiled Tubing: Made to ASTM A213 standards, our seamless tubes are the best choice for high-pressure and high-temperature applications where reliability is non-negotiable.
- Welded & ERW Coiled Tubing: Produced according to ASTM A249, these tubes are a cost-effective option for large-scale projects and systems that do not require extremely high pressures.
We also supply internationally recognized equivalents, including SS UNS S30403 Coiled Tubing and WNR 1.4306 / 1.4307 Coil Tubing, ensuring they fit seamlessly into any global project.
Stainless Steel 304L Coil Tubing Specifications
Our Stainless Steel 304L Coil Tube comes in various specifications to match your exact project requirements. We offer a wide range of sizes and finishes.
| Attribute | Specification |
|---|---|
| Grade | ASTM A269 TP304L, ASTM A249 TP304L |
| Standards | ASTM, ASME, DIN, EN, JIS |
| Outside Diameter (OD) | 6.35 mm to 25.4 mm (1/4" to 1") |
| Wall Thickness | 0.89 mm to 2.11 mm (0.035" to 0.083") |
| Length | Up to 1000 meters (3,280 feet) |
| Finish | Bright Annealed (BA), Annealed and Pickled (AP) |
| Testing | Hydrostatic, Eddy Current, Positive Material Identification (PMI) |
Chemical Composition of Stainless Steel 304L Coil Tube
The corrosion resistance and strength of Stainless Steel 304L Coil Tubing come from its precise chemical makeup. The low carbon content is its most important feature, providing excellent weldability and preventing intergranular corrosion. The table below shows the standard composition
| Element | % |
|---|---|
| Carbon (C) | ≤ 0.030 |
| Chromium (Cr) | 18.0 – 20.0 |
| Nickel (Ni) | 8.0 – 13.0 |
| Manganese (Mn) | ≤ 2.0 |
| Silicon (Si) | ≤ 1.0 |
| Phosphorus (P) | ≤ 0.045 |
| Sulfur (S) | ≤ 0.030 |
Mechanical Properties of Stainless Steel 304L Coil Tube
The following tables show the key mechanical and physical properties of 304L stainless steel coil, which determine its durability and performance under pressure, stress, and varying temperatures.
| Mechanical Property | Value |
|---|---|
| Tensile Strength (min) | 485 MPa |
| Yield Strength (min) | 170 MPa |
| Elongation (min) | 40% |
| Hardness (max) | 90 HRB |
Physical Properties of Stainless Steel 304L Coil Tube
In addition to its chemical and mechanical profile, the physical properties of Stainless Steel 304L Coil Tubing define how it behaves in real-world environments. Factors like density, thermal conductivity, melting point, and electrical resistivity influence performance in high-temperature, corrosive, and energy-intensive applications. The table below outlines the key physical values engineers and buyers consider when selecting 304L coil tubing for critical operations.
| Physical Property | Value |
|---|---|
| Density | 8.0 g/cm³ |
| Melting Point | 1400–1450 °C |
| Modulus of Elasticity | 193 GPa |
| Thermal Conductivity | 16.2 W/m·K (at 100 °C) |
Stainless Steel 304L Coil Tube Equivalent Grades
Below are the common international equivalents for Stainless Steel 304L Coil Tube, ensuring a consistent standard of quality and performance across global projects.
| UNS | EN / DIN / Werkstoff No. | JIS | BS |
|---|---|---|---|
| S30403 | 1.4306 or 1.4307 | SUS 304L | 304S11 |
Stainless Steel 304L Coil Tube Size
The size of Stainless Steel 304L Coil Tube is defined by its dimensions, specifically its Outside Diameter (OD), Wall Thickness (WT), and total length. These sizes are standardized to ensure compatibility across different applications, particularly in instrumentation, hydraulic, and chemical injection systems.
| Measurement | Imperial (Inches) | Metric (Millimeters) |
|---|---|---|
| Outer Diameter (OD) | 1/4", 3/8", 1/2", 3/4", 1" | 6.35, 9.53, 12.7, 19.05, 25.4 |
| Wall Thickness (WT) | 0.035", 0.049", 0.065", 0.083" | 0.89, 1.24, 1.65, 2.11 |
| Coil Length | Up to 3,280 ft | Up to 1000 m |
304L Stainless Steel Coil Sheet Weight Chart
The following table provides the calculated unit weights for common sizes of ASTM A240 304L stainless steel coil sheet.
| Dimensions (mm) | Unit Weight / Coil (kg) |
|---|---|
| 3000 x 1000 x 3.0 | 72.0 |
| 3000 x 1250 x 4.5 | 135.0 |
| 3000 x 1250 x 6.0 | 180.0 |
| 3000 x 1250 x 8.0 | 240.0 |
Applications of 304L Stainless Steel Coil Tube
The superior properties of 304L stainless steel coil make it a top choice in industries where cleanliness, corrosion resistance, and reliability are essential.
- Oil & Gas: Used for control lines and chemical injection systems.
- Chemical & Petrochemical: Ideal for transporting corrosive fluids.
- Food & Beverage: Essential for processing lines where hygiene is critical.
- Pharmaceutical: Perfect for clean fluid transfer in sterile environments.
- Instrumentation: Used for high-pressure pneumatic and hydraulic systems.
Frequently Asked Questions
What is Stainless Steel 304L Coil Tubing?
Stainless Steel 304L Coil Tubing is a low-carbon austenitic stainless steel tubing supplied in coil form, offering excellent corrosion resistance and weldability.
What is the difference between seamless and welded 304L coiled tubes?
Seamless tubes are preferred for high-pressure applications, while welded tubes are cost-effective and ideal for general service.
What industries use Stainless Steel 304L Coil Tubing?
Industries such as oil & gas, petrochemicals, pharmaceuticals, food processing, and marine rely on 304L coiled tubes.
What are the typical coil lengths available?
Coil lengths can reach up to 2,300 feet, reducing the need for multiple joints and improving installation efficiency.
Is Stainless Steel 304L Coil Tubing corrosion-resistant?
Yes, it resists oxidation, pitting, and intergranular corrosion, making it suitable for chloride-rich and industrial environments.
Can 304L Coiled Tubes be used in high-temperature service?
Yes, they can be used up to around 425 °C continuously, but higher temperatures may require stabilization grades.
